Table 3 Association among age groups, GRS groups, and indicators of body fatness (n = 181)
Age group | Middle-aged (30–64 years) | Elderly (65–79 years) | Age | GRS | Interaction | ||||
|---|---|---|---|---|---|---|---|---|---|
GRS | Low | Middle | High | Low | Middle | High | p | p | p |
n | 30 | 25 | 29 | 37 | 31 | 29 | Â | Â | Â |
Age (year) | 52.5 ± 11.8 | 54.0 ± 11.9 | 53.7 ± 10.8 | 69.0 ± 3.5 | 70.0 ± 3.9 | 71.3 ± 3.9 | <0.001 | 0.473 | 0.881 |
Body weight (kg) | 66.3 ± 5.9 | 72.0 ± 8.3 | 72.7 ± 12.2* | 67.4 ± 9.7 | 65.4 ± 8.2 | 67.1 ± 9.1 | 0.282 | 0.152 | 0.047 |
BMI (kg/m2) | 22.7 ± 1.8 | 24.3 ± 2.2* | 24.9 ± 3.5* | 23.5 ± 2.6 | 23.4 ± 2.4 | 23.4 ± 1.9†| 0.160 | 0.067 | 0.019 |
Body fat (%) | 18.5 ± 4.2 | 20.4 ± 4.8 | 21.1 ± 5.1 | 21.5 ± 4.9 | 20.7 ± 4.7 | 20.6 ± 3.1 | 0.715 | 0.722 | 0.059 |
Waist circumference (cm) | 80.2 ± 6.8 | 85.9 ± 7.0* | 86.3 ± 9.1* | 85.6 ± 7.2 | 84.3 ± 6.5 | 85.3 ± 6.3 | 0.310 | 0.125 | 0.010 |
Total abdominal fat (cm2) | 183.0 ± 79.9 | 231.9 ± 85.7 | 257.4 ± 98.5* | 239.6 ± 80.3†| 226.8 ± 70.5 | 221.2 ± 68.8 | 0.782 | 0.234 | 0.005 |
Visceral fat (cm2) | 85.7 ± 45.4 | 109.0 ± 47.6 | 124.4 ± 48.6* | 120.7 ± 48.9 | 113.6 ± 42.0 | 115.7 ± 52.8 | 0.504 | 0.299 | 0.023 |
Subcutaneous fat (cm2) | 97.4 ± 40.3 | 122.9 ± 53.6 | 133.0 ± 63.0* | 118.9 ± 45.4†| 113.2 ± 41.3 | 105.5 ± 27.8 | 0.847 | 0.332 | 0.012 |